本文报告我科从1972年7月～1994年底共收治经手术和病理证实胃平滑肌肿瘤12例,其中平滑肌瘤6例,平滑肌肉瘤6例.临床没有特异性表现,腹痛、出血和腹块是最常见的三大症状.术前诊断困难,误诊率为83.3%.X线和胃镜检查对诊断有重要意义.积极的手术切除治疗肉瘤五年生存率为50%. This article reports that our department received a total of 12 surgically and pathologically confirmed gastric smooth muscle tumors from July 1972 to the end of 1994, including 6 cases of leiomyomas and 6 cases of leiomyosarcoma. No specific clinical manifestations, abdominal pain, hemorrhage, and abdominal mass were observed. The three most common symptoms. Preoperative diagnosis is difficult, misdiagnosis rate was 83.3%. X-ray and gastroscopy are important for the diagnosis. Active surgical resection of sarcoma in the five-year survival rate was 50%.